What kinds of homes are in Setauket, NY?

Name: Types of homes in Setauket, NY, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Setauket, NY has 1,554 (±205) homes (2020–2024 American Community Survey).

That is about 617 homes per square mile of land.

97.2% are detached single-family houses.

0.0% are in buildings of two to four units.

1.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,554 (±205)
Detached houses: 97.2%
2–4 unit buildings: 0.0%
5+ unit buildings: 1.1%

Homes in Setauket by building size

Housing units by units in structure, 2020–2024
Building type	Setauket	Suffolk County	New York	United States
Single-family, detached	97.2% (±2.4 points)	79.7%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	1.7% (±1.9 points)	5.9%	5.5%	6.2%
2 units	0.0% (±2.7 points)	2.6%	9.6%	3.4%
3 or 4 units	0.0% (±2.7 points)	2.1%	6.9%	4.3%
5 to 9 units	0.0% (±2.7 points)	2.2%	5.2%	4.5%
10 to 19 units	0.0% (±2.7 points)	2.6%	4.4%	4.3%
20 or more units	1.1% (±1.7 points)	3.6%	25.1%	10.3%
Mobile home	0.0% (±2.7 points)	1.3%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±2.7 points)	0.0%	0.0%	0.1%

In Setauket, the share of homes in buildings of five or more units is lower than in Suffolk County (8.4%).

It is also lower than in New York (34.7%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Setauket

Nearest places with a published estimate, compared with Setauket
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Setauket	—	1.1% (±4.2 points)	—
Village of Poquott	1.3 mi	0.0% (±16.3 points)	Not measurably different
Village of Old Field	1.5 mi	0.0% (±16.8 points)	Not measurably different
East Setauket	2.2 mi	8.0% (±3.2 points)	Higher
Village of Belle Terre	2.6 mi	0.0% (±24.8 points)	Not measurably different
Stony Brook	2.9 mi	0.4% (±1.3 points)	Not measurably different
Port Jefferson Station	3.0 mi	13.5% (±5.8 points)	Higher
Village of Port Jefferson	3.3 mi	14.1% (±4.1 points)	Higher
Town of Smithtown	3.9 mi	6.4% (±1.1 points)	Higher

Nearby places with a measurably higher figure: East Setauket, NY (8.0%), Port Jefferson Station, NY (13.5%), Village of Port Jefferson, NY (14.1%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Suffolk County, place by place

Rank	Place	Homes in buildings of 5 or more units
74	Calverton	2.1% (±2.1 points)
75	Shirley	1.9% (±1.2 points)
76	Miller Place	1.6% (±0.8 points)
77	Mastic	1.3% (±1.7 points)
78	South Huntington	1.2% (±1.2 points)
79 (tie)	Flanders	1.1% (±3.1 points)
79 (tie)	Setauket	1.1% (±4.2 points)
81	Islip Terrace	1.0% (±3.4 points)
82 (tie)	Centerport	0.8% (±2.9 points)
82 (tie)	Elwood	0.8% (±1.5 points)
82 (tie)	Shelter Island Heights	0.8% (±3.3 points)
85 (tie)	Bridgehampton	0.7% (±2.8 points)
85 (tie)	Dix Hills	0.7% (±0.8 points)

Showing 13 of 112 places in Suffolk County, ranked from highest to lowest.

Setauket is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside the Town of Brookhaven, whose figures include it.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Setauket

How many homes are in Setauket?

Setauket, NY has an estimated 1,554 (±205) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Setauket houses or apartments?

97.2% are detached houses and 1.7% attached houses, while 1.1% are in buildings of two or more units.

How many two-family and small multifamily homes are in Setauket?

0.0% of homes in Setauket are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Setauket CDP, New York

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Setauket CDP, New York (place:66465, in state:36).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.